summaryrefslogtreecommitdiffstats
path: root/vppinfra
diff options
context:
space:
mode:
authorDave Barach <dave@barachs.net>2016-01-20 09:11:55 -0500
committerGerrit Code Review <gerrit@fd.io>2016-01-21 12:33:07 +0000
commitbfdedbd5a3ba7e6fdc036d212253aa55c9062211 (patch)
tree63cf45fd5839e377ef757946be8bdcaa90dbc2a4 /vppinfra
parent08ff7e00bf0e7cf93a732e98a026a76a4349fd41 (diff)
PowerPC64-be arch support. Qemu ("qppc") platform support.
Change-Id: Ib0a05f9d1b08bacef09f6d7c101391737031ee0d Signed-off-by: Dave Barach <dave@barachs.net>
Diffstat (limited to 'vppinfra')
-rw-r--r--vppinfra/vppinfra/bihash_24_8.h3
-rw-r--r--vppinfra/vppinfra/cache.h15
-rw-r--r--vppinfra/vppinfra/longjmp.S60
-rw-r--r--vppinfra/vppinfra/unix-formats.c4
4 files changed, 52 insertions, 30 deletions
diff --git a/vppinfra/vppinfra/bihash_24_8.h b/vppinfra/vppinfra/bihash_24_8.h
index 9d5b3bcbf3c..c789c980fb6 100644
--- a/vppinfra/vppinfra/bihash_24_8.h
+++ b/vppinfra/vppinfra/bihash_24_8.h
@@ -38,6 +38,7 @@ static inline int clib_bihash_is_free_24_8 (clib_bihash_kv_24_8_t *v)
return 0;
}
+#if !defined(__powerpc64__) && !defined(__aarch64__)
static inline u32
crc_u32(u32 data, u32 value)
{
@@ -70,7 +71,7 @@ static inline u64 clib_bihash_hash_24_8 (clib_bihash_kv_24_8_t *v)
return value;
}
-#if 0
+#else
static inline u64 clib_bihash_hash_24_8 (clib_bihash_kv_24_8_t *v)
{
u64 tmp = v->key[0] ^ v->key[1] ^ v->key[2];
diff --git a/vppinfra/vppinfra/cache.h b/vppinfra/vppinfra/cache.h
index 7ed7a1eae82..fea111698a2 100644
--- a/vppinfra/vppinfra/cache.h
+++ b/vppinfra/vppinfra/cache.h
@@ -40,15 +40,30 @@
#include <vppinfra/error_bootstrap.h>
+/*
+ * Allow CFLAGS to override the arch-specific cache line size
+ */
+#ifndef CLIB_LOG2_CACHE_LINE_BYTES
+
#ifdef __x86_64__
#define CLIB_LOG2_CACHE_LINE_BYTES 6
#endif
+#ifdef __aarch64__
+#define CLIB_LOG2_CACHE_LINE_BYTES 7
+#endif
+
/* Default cache line size of 32 bytes. */
#ifndef CLIB_LOG2_CACHE_LINE_BYTES
#define CLIB_LOG2_CACHE_LINE_BYTES 5
#endif
+#endif /* CLIB_LOG2_CACHE_LINE_BYTES defined */
+
+#if (CLIB_LOG2_CACHE_LINE_BYTES >= 9)
+#error Cache line size 512 bytes or greater
+#endif
+
#define CLIB_CACHE_LINE_BYTES (1 << CLIB_LOG2_CACHE_LINE_BYTES)
#define CLIB_CACHE_LINE_ALIGN_MARK(mark) u8 mark[0] __attribute__((aligned(CLIB_CACHE_LINE_BYTES)))
diff --git a/vppinfra/vppinfra/longjmp.S b/vppinfra/vppinfra/longjmp.S
index a469b644766..ac138a96257 100644
--- a/vppinfra/vppinfra/longjmp.S
+++ b/vppinfra/vppinfra/longjmp.S
@@ -290,38 +290,42 @@ _prologue (clib_longjmp)
blr
-_prologue (clib_calljmp)
- /* Make sure stack is 16 byte aligned. */
- andi. 0, 5, 0xf
- sub 5, 5, 0
- addi 5, 5, -16
-
- /* Save old stack/link pointer on new stack. */
- std 1, 0(5)
+ .globl clib_calljmp
+ .section ".opd","aw"
+ .align 3
+clib_calljmp:
+ .quad .L.clib_calljmp,.TOC.@tocbase,0
+ .previous
+ .type clib_calljmp, @function
+.L.clib_calljmp:
mflr 0
- std 0, 8(5)
-
- /* Switch stacks. */
- mr 1, 5
-
- /* Get function pointer. */
- ld 0, 0(3)
- mtctr 0
-
- /* Move argument into place. */
- mr 3, 4
-
- /* Away we go. */
+ mr 9,3
+ std 0,16(1)
+ stdu 1,-112(1)
+#APP
+ std 1,-8(5)
+ addi 5,5,-256
+ mr 1,5
+#NO_APP
+ ld 10,0(9)
+ std 2,40(1)
+ mr 3,4
+ mtctr 10
+ ld 11,16(9)
+ ld 2,8(9)
bctrl
-
- /* Switch back to old stack. */
- ld 0, 8(1)
+ ld 2,40(1)
+#APP
+ addi 1,1,256
+ ld 1,-8(1)
+#NO_APP
+ addi 1,1,112
+ ld 0,16(1)
mtlr 0
- ld 0, 0(1)
- mr 1, 0
-
- /* Return to caller. */
blr
+ .long 0
+ .byte 0,0,0,1,128,0,0,0
+ .size clib_calljmp,.-.L.clib_calljmp
#elif defined(__powerpc__)
diff --git a/vppinfra/vppinfra/unix-formats.c b/vppinfra/vppinfra/unix-formats.c
index f39a4be7428..a4c81ca2f70 100644
--- a/vppinfra/vppinfra/unix-formats.c
+++ b/vppinfra/vppinfra/unix-formats.c
@@ -884,10 +884,12 @@ u8 * format_signal (u8 * s, va_list * args)
u8 * format_ucontext_pc (u8 * s, va_list * args)
{
- ucontext_t * uc = va_arg (*args, ucontext_t *);
+ ucontext_t * uc __attribute__((unused));
unsigned long * regs = 0;
uword reg_no = 0;
+ uc = va_arg (*args, ucontext_t *);
+
#if defined (powerpc)
regs = &uc->uc_mcontext.uc_regs->gregs[0];
#elif defined (powerpc64)